Sally made 50 pies. 60% chicken, 10% apple, the rest vegetable.<br><br>
&bull; Percentage vegetable = 100% − 60% − 10% = 30%<br>
&bull; Number of vegetable pies = 30% of 50 = \(\frac{30}{100} \times 50\) = 0.3 × 50 = 15<br><br>
Final Answer: 15